Quote:
Originally Posted by susan_cassidy
It shouldn't drain the battery quicker, as it only takes power to change the screen. To NOT change the screen would not take any power.
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Of course even in sleep mode, "behind the scenes" activities such as indexing continue, but *additional* battery drain that occurs in ~ds mode that does not occur in sleep mode is the power required to operate the touch screen. The screen is non-responsive in sleep mode while it continues to detect taps in ~ds mode.
There is measurable additional battery drain when the device uses infrared touch detection. I'm not sure if the capacitive sensing method used on the older Kindles uses enough power to be an issue, but it has to use *some* power.